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Finding the Fourth Proportional to 169,901.94, 234,493.65 and 98,325.54

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Solution

The fourth proportional to 169,901.94, 234,493.65 and 98,325.54 is: 135,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.94 : 234,493.65 = 98,325.54 : x
  2. Step 2: Convert to fraction form
    169,901.94/234,493.65 = 98,325.54/x
  3. Step 3: Cross multiply
    169,901.94x = 234,493.65 × 98,325.54
  4. Step 4: Simplify right side
    169,901.94x = 23,056,714,762.82
  5. Step 5: Solve for x
    x = 23,056,714,762.82/169,901.94
  6. Step 6: Final answer
    x = 135,706.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.